What numerical models does JTWC use?
The current consensus forecast track used at JTWC, called CONW, is composed of seven baroclinic dynamical models and one barotropic model. The dynamical model tracks included (labeled with their first interpolation) are: NGPI, GFNI, AVNI, TCLI, JGSI, EGRI, and ECMI. The sole barotropic track model is WBAI. In order to be considered for the consensus, a model must be consistently available, show forecast skill and add value to the consensus. Models are normally evaluated for one to two years before being included in the consensus. Models that fail to meet these criteria are either not accepted or removed from consensus.
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